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  <h1 class="topictitle1">执行备份恢复任务时，任务详情停滞在“任务等待数据迁移调度器处理”</h1>
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    <h4 class="sectiontitle">现象描述</h4>
    <p>执行备份恢复任务时，任务详情停滞在“任务等待数据迁移调度器处理”超过10分钟以上。</p>
   </div>
   <div class="section">
    <h4 class="sectiontitle">可能原因</h4>
    <ul>
     <li>原因一：客户端所在主机未安装VDDK或未安装对应版本的VDDK。</li>
     <li>原因二：正在运行的任务数量过多，超过负载。</li>
    </ul>
   </div>
   <div class="section">
    <h4 class="sectiontitle">处理步骤</h4>
    <ol>
     <li><span>使用PuTTY通过<strong>root</strong>用户登录客户端所在主机。</span><p></p>
      <div class="note">
       <img src="public_sys-resources/note_3.0-zh-cn.png"><span class="notetitle"> </span>
       <div class="notebody">
        <ul>
         <li>如果指定了执行任务的客户端，则登录该客户端所在主机检查是否已安装VDDK。</li>
         <li>如果未指定执行任务的客户端，则登录所有部署客户端的主机检查是否已安装VDDK。</li>
        </ul>
       </div>
      </div> <p></p></li>
     <li><span>执行以下命令，检查是否已安装对应版本的VDDK。</span><p></p><pre class="screen">cd <em>/opt</em>/DataBackup/ProtectClient/ProtectClient-E/lib</pre>
      <div class="note">
       <img src="public_sys-resources/note_3.0-zh-cn.png"><span class="notetitle"> </span>
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        <p>命令中的<em>/opt</em>为客户端的安装目录，请根据实际替换。</p>
       </div>
      </div>
      <ul>
       <li>如果不存在“vddk”目录，或未安装对应版本的VDDK，请参考《客户端安装指南》中的“<span>添加VDDK（适用于VMware）</span>”章节安装。</li>
       <li>如果存在“vddk”目录，且已安装对应版本的VDDK，则可能由原因二导致，请等待任务调度或联系技术支持工程师。</li>
      </ul> <p></p></li>
    </ol>
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